/* Catppuccin Latte */
:root {
    --bg: #eff1f5;
    --bg-alt: #e6e9ef;
    --surface: #ccd0da;
    --text: #4c4f69;
    --subtext: #6c6f85;
    --accent: #8839ef;
    --accent-hover: #7c2fe0;
    --border: #bcc0cc;
    --success: #40a02b;
    --blue: #1e66f5;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family:
        system-ui,
        -apple-system,
        sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
header {
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--subtext);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.icon-btn:hover {
    background: var(--surface);
    color: var(--text);
}

/* Main Layout */
main {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 1.5rem;
    align-items: start;
}

/* Cards */
.card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.card h2 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* Tutorial */
.steps {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.625rem;
    background: var(--surface);
    border-radius: 8px;
}

.step-num {
    width: 22px;
    height: 22px;
    min-width: 22px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.step p {
    font-size: 0.8125rem;
    color: var(--subtext);
    margin: 0;
}

.step code {
    background: var(--bg);
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.tip {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(30, 102, 245, 0.1);
    border-radius: 8px;
    font-size: 0.8125rem;
    color: var(--subtext);
}

/* Upload */
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: border-color 0.2s;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--accent);
}

.upload-area p {
    color: var(--subtext);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.upload-area input[type="file"] {
    display: none;
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background: var(--accent-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.file-info {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--surface);
    border-radius: 8px;
    margin-top: 1rem;
}

.file-info.visible {
    display: flex;
}

.file-info span {
    flex: 1;
    font-size: 0.875rem;
    word-break: break-all;
}

.file-info .remove {
    background: none;
    border: none;
    color: var(--subtext);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0.25rem;
}

.file-info .remove:hover {
    color: var(--text);
}

.process-btn {
    width: 100%;
    margin-top: 1rem;
    padding: 0.75rem;
}

/* Results */
.results {
    margin-top: 1.25rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.625rem;
    margin-bottom: 1rem;
}

.result-item {
    background: var(--surface);
    padding: 0.875rem;
    border-radius: 8px;
}

.result-item label {
    font-size: 0.7rem;
    color: var(--subtext);
    display: block;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.result-item .value {
    font-size: 1.125rem;
    font-weight: 600;
}

.result-item .value.positive {
    color: var(--success);
}

/* Table */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

th,
td {
    padding: 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-size: 0.7rem;
    color: var(--subtext);
    font-weight: 500;
    text-transform: uppercase;
}

.ticker {
    color: var(--accent);
    font-weight: 600;
}

/* States */
.empty {
    text-align: center;
    padding: 1.5rem;
    color: var(--subtext);
    font-size: 0.875rem;
}

/* htmx loading indicator */
.loading {
    display: none;
    text-align: center;
    padding: 1.5rem;
    color: var(--subtext);
    font-size: 0.875rem;
}

.loading.htmx-request {
    display: block;
}

.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 0.75rem;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 800px) {
    main {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1rem;
    }

    header {
        padding: 0.875rem 1rem;
    }

    .logo {
        font-size: 1.1rem;
    }

    .card {
        padding: 1rem;
    }

    .results-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 400px) {
    .results-grid {
        grid-template-columns: 1fr;
    }

    .result-item .value {
        font-size: 1rem;
    }
}